14 On the Rain and Drainage - Waters at Rothamsted. 
Table XLT. — Composition of Drainage-Waters from Broadbalk 
Field in parts per Million. (Dr. Frankland.) 
Total 
Solid 
Matter. 
Carbon 
in Organic 
Matter. 
Nitrogen as : 
Organic 
Nitrates 
Am- 
and 
Total 
Matter. 
monia. 
Nitrites. 
N itrogen. 
Chlorine. 
January 5, 1872. 
2 
512 
0 
4 
52 
1 
41 
0 
17 
25 
9 
27-5 
33 
5 
321 
3&4 
344 
0 
2 
17 
0 
57 
0 
02 
13 
1 
13-7 
14 
0 
206 
5 
482 
4 
1 
59 
0 
60 
0 
01 
14 
2 
14-8 
14 
5 
357 
6 
701 
6 
1 
57 
0 
52 
0 
01 
27 
8 
28- 3 
43 
0 
500 
7 
862 
4 
1 
94 
0 
65 
0 
01 
47 
4 
48-1 
68 
5 
590 
8 
1239 
6 
1 
80 
0 
83 
0 
01 
78 
4 
79-3 
112 
5 
766 
9 
505 
2 
1 
51 
0 
60 
0 
01 
23 
1 
23-7 
18 
0 
335 
10 
734 
4 
0 
01 
55 
G 
73 
5 
537 
11 
931 
2 
0 
90 
0 
'k 
0 
01 
66 
8 
67-5 
92 
5 
628 
12 
lOlG 
4 
1 
09 
0 
47 
0 
00 
57 
7 
58-2 
80 
5 
681 
13 
1056 
0 
1 
24 
0 
51 
0 
00 
59 
2 
59-7 
91 
0 
696 
14 
1059 
2 
1 
63 
0 
54 
0 
01 
57 
8 
58-4 
95 
0 
711 
15 
1162 
4 
1 
27 
0 
59 
0 
01 
72 
5 
73-1 
57 
5 
774 
16 
351 
2 
12 
13 
2 
77 
0 
01 
13 
2 
160 
12 
5 
248 
Mat 18, 1872. 
3&4 
165 
0 
1 
50 
0 
24 
0 
00 
0 
3 
0 
6 
10 
5 
180 
5 
238 
0 
1 
35 
0 
20 
0 
00 
0 
7 
0 
9 
7 
5 
218 
6 
363 
0 
2 
03 
0 
29 
0 
00 
0 
5 
0 
8 
11 
0 
297 
7 
318 
0 
1 
67 
0 
32 
0 
00 
0 
6 
0 
9 
19 
5 
277 
8 
381 
0 
1 
97 
0 
52 
0 
04 
0 
9 
1 
5 
16 
0 
303 
9 
381 
0 
1 
80 
0 
53 
0 
00 
16 
5 
17 
0 
12 
5 
242 
10 
347 
0 
1 
39 
0 
32 
0 
00 
9 
4 
9 
7 
20 
0 
262 
11 
396 
0 
1 
28 
0 
28 
0 
00 
8 
3 
8 
6 
23 
0 
329 
12 
439 
0 
1 
72 
0 
31 
0 
00 
4 
1 
4 
4 
21 
0 
400 
13 
484 
0 
2 
•19 
0 
51 
0 
00 
3 
2 
3 
7 
21 
0 
360 
14 
478 
0 
2 
47 
0 
41 
0 
00 
2 
3 
2 
7 
21 
5 
373 
15 
426 
0 
2 
26 
0 
47 
0 
00 
2 
2 
2 
6 
9 
5 
363 
Mean of Five (or fewer) Analyses. 
2 
312 
8 
4 
57 
1 
08 
0 
14 
9 
2 
10 
5 
18 
8 
192 
3&4 
209 
3 
1 
51 
0 
34 
0 
01 
3 
8 
4 
2 
10 
1 
169 
5 
333 
6 
1 
88 
0 
44 
0 
02 
4 
2 
4 
6 
10 
3 
238 
6 
493 
0 
2 
04 
0 
48 
0 
02 
9 
5 
10 
0 
26 
3 
340 
7 
592 
4 
1 
84 
0 
49 
0 
10 
17 
7 
18 
3 
41 
7 
400 
8 
681 
8 
2 
15 
0 
65 
0 
06 
23 
4 
24 
1 
50 
2 
425 
9 
382 
9 
2 
10 
0 
61 
0 
02 
13 
0 
13 
6 
13 
0 
228 
10 
476 
7 
1 
68 
0 
51 
0 
04 
21 
2 
21 
7 
42 
2 
329 
11 
554 
9 
1 
35 
0 
41 
0 
03 
23 
4 
23 
9 
45 
6 
392 
12 
639 
6 
1 
47 
0 
40 
0 
02 
20 
2 
20 
6 
41 
6 
425 
13 
674 
3 
2 
15 
0 
67 
0 
02 
21 
5 
22 
2 
46 
2 
454 
14 
6(;2 
6 
2 
21 
0 
54 
0 
03 
20 
3 
20 
9 
46 
0 
446 
15 
562 
9 
2 
63 
0 
77 
0 
02 
17 
6 
18 
4 
21 
1 
397 
16 
281 
1 
5 
61 
1 
34 
0 
01 
6 
6 
7 
9 
10 
8 
206 
